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                        <dxl:Comparison ComparisonOperator="=" OperatorMdid="0.410.1.0">
                          <dxl:Ident ColId="89" ColName="row_number" TypeMdid="0.20.1.0"/>
                          <dxl:Cast TypeMdid="0.20.1.0" FuncId="0.481.1.0">
                            <dxl:ConstValue TypeMdid="0.23.1.0" Value="1"/>
                          </dxl:Cast>
                        </dxl:Comparison>
                      </dxl:AssertConstraint>
                    </dxl:AssertConstraintList>
                    <dxl:Window PartitionColumns="">
                      <dxl:Properties>
                        <dxl:Cost StartupCost="0" TotalCost="6.002010" Rows="2.800000" Width="16"/>
                      </dxl:Properties>
                      <dxl:ProjList>
                        <dxl:ProjElem ColId="89" Alias="row_number">
                          <dxl:WindowFunc Mdid="0.7000.1.0" TypeMdid="0.20.1.0" Distinct="false" WindowStarArg="false" WindowSimpleAgg="false" WindowStrategy="Immediate" WinSpecPos="0"/>
                        </dxl:ProjElem>
                        <dxl:ProjElem ColId="77" Alias="oid">
                          <dxl:Ident ColId="77" ColName="oid" TypeMdid="0.26.1.0"/>
                        </dxl:ProjElem>
                      </dxl:ProjList>
                      <dxl:Filter/>
                      <dxl:IndexScan IndexScanDirection="Forward">
                        <dxl:Properties>
                          <dxl:Cost StartupCost="0" TotalCost="6.001968" Rows="2.800000" Width="8"/>
                        </dxl:Properties>
                        <dxl:ProjList>
                          <dxl:ProjElem ColId="77" Alias="oid">
                            <dxl:Ident ColId="77" ColName="oid" TypeMdid="0.26.1.0"/>
                          </dxl:ProjElem>
                        </dxl:ProjList>
                        <dxl:Filter/>
                        <dxl:IndexCondList>
                          <dxl:Comparison ComparisonOperator="=" OperatorMdid="0.93.1.0">
                            <dxl:Ident ColId="73" ColName="nspname" TypeMdid="0.19.1.0"/>
                            <dxl:ConstValue TypeMdid="0.19.1.0" Value="cGdfY2F0YWxvZwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA&#xA;AAAAAAAAAAAAAAAAAAAAAAAAAA=="/>
                          </dxl:Comparison>
                        </dxl:IndexCondList>
                        <dxl:IndexDescriptor Mdid="0.2684.1.0" IndexName="pg_namespace_nspname_index"/>
                        <dxl:TableDescriptor Mdid="6.2615.1.1" TableName="pg_namespace">
                          <dxl:Columns>
                            <dxl:Column ColId="73" Attno="1" ColName="nspname" TypeMdid="0.19.1.0"/>
                            <dxl:Column ColId="76" Attno="-1" ColName="ctid" TypeMdid="0.27.1.0"/>
                            <dxl:Column ColId="77" Attno="-2" ColName="oid" TypeMdid="0.26.1.0"/>
                            <dxl:Column ColId="78" Attno="-3" ColName="xmin" TypeMdid="0.28.1.0"/>
                            <dxl:Column ColId="79" Attno="-4" ColName="cmin" TypeMdid="0.29.1.0"/>
                            <dxl:Column ColId="80" Attno="-5" ColName="xmax" TypeMdid="0.28.1.0"/>
                            <dxl:Column ColId="81" Attno="-6" ColName="cmax" TypeMdid="0.29.1.0"/>
                            <dxl:Column ColId="82" Attno="-7" ColName="tableoid" TypeMdid="0.26.1.0"/>
                            <dxl:Column ColId="83" Attno="-8" ColName="gp_segment_id" TypeMdid="0.23.1.0"/>
                          </dxl:Columns>
                        </dxl:TableDescriptor>
                      </dxl:IndexScan>
                      <dxl:WindowKeyList>
                        <dxl:WindowKey>
                          <dxl:SortingColumnList/>
                        </dxl:WindowKey>
                      </dxl:WindowKeyList>
                    </dxl:Window>
                  </dxl:Assert>
                </dxl:HashJoin>
              </dxl:HashJoin>
            </dxl:RandomMotion>
            <dxl:Assert ErrorCode="P0003">
              <dxl:Properties>
                <dxl:Cost StartupCost="0" TotalCost="6.004363" Rows="2.000000" Width="8"/>
              </dxl:Properties>
              <dxl:ProjList>
                <dxl:ProjElem ColId="35" Alias="oid">
                  <dxl:Ident ColId="35" ColName="oid" TypeMdid="0.26.1.0"/>
                </dxl:ProjElem>
              </dxl:ProjList>
              <dxl:AssertConstraintList>
                <dxl:AssertConstraint ErrorMessage="Expected no more than one row to be returned by expression">
                  <dxl:Comparison ComparisonOperator="=" OperatorMdid="0.410.1.0">
                    <dxl:Ident ColId="90" ColName="row_number" TypeMdid="0.20.1.0"/>
                    <dxl:Cast TypeMdid="0.20.1.0" FuncId="0.481.1.0">
                      <dxl:ConstValue TypeMdid="0.23.1.0" Value="1"/>
                    </dxl:Cast>
                  </dxl:Comparison>
                </dxl:AssertConstraint>
              </dxl:AssertConstraintList>
              <dxl:BroadcastMotion InputSegments="-1" OutputSegments="0,1">
                <dxl:Properties>
                  <dxl:Cost StartupCost="0" TotalCost="6.004355" Rows="5.600000" Width="16"/>
                </dxl:Properties>
                <dxl:ProjList>
                  <dxl:ProjElem ColId="35" Alias="oid">
                    <dxl:Ident ColId="35" ColName="oid" TypeMdid="0.26.1.0"/>
                  </dxl:ProjElem>
                  <dxl:ProjElem ColId="90" Alias="row_number">
                    <dxl:Ident ColId="90" ColName="row_number" TypeMdid="0.20.1.0"/>
                  </dxl:ProjElem>
                </dxl:ProjList>
                <dxl:Filter/>
                <dxl:SortingColumnList/>
                <dxl:Result>
                  <dxl:Properties>
                    <dxl:Cost StartupCost="0" TotalCost="6.002010" Rows="2.800000" Width="16"/>
                  </dxl:Properties>
                  <dxl:ProjList>
                    <dxl:ProjElem ColId="35" Alias="oid">
                      <dxl:Ident ColId="35" ColName="oid" TypeMdid="0.26.1.0"/>
                    </dxl:ProjElem>
                    <dxl:ProjElem ColId="90" Alias="row_number">
                      <dxl:Ident ColId="90" ColName="row_number" TypeMdid="0.20.1.0"/>
                    </dxl:ProjElem>
                  </dxl:ProjList>
                  <dxl:Filter/>
                  <dxl:OneTimeFilter/>
                  <dxl:Window PartitionColumns="">
                    <dxl:Properties>
                      <dxl:Cost StartupCost="0" TotalCost="6.002010" Rows="2.800000" Width="16"/>
                    </dxl:Properties>
                    <dxl:ProjList>
                      <dxl:ProjElem ColId="90" Alias="row_number">
                        <dxl:WindowFunc Mdid="0.7000.1.0" TypeMdid="0.20.1.0" Distinct="false" WindowStarArg="false" WindowSimpleAgg="false" WindowStrategy="Immediate" WinSpecPos="0"/>
                      </dxl:ProjElem>
                      <dxl:ProjElem ColId="35" Alias="oid">
                        <dxl:Ident ColId="35" ColName="oid" TypeMdid="0.26.1.0"/>
                      </dxl:ProjElem>
                    </dxl:ProjList>
                    <dxl:Filter/>
                    <dxl:IndexScan IndexScanDirection="Forward">
                      <dxl:Properties>
                        <dxl:Cost StartupCost="0" TotalCost="6.001968" Rows="2.800000" Width="8"/>
                      </dxl:Properties>
                      <dxl:ProjList>
                        <dxl:ProjElem ColId="35" Alias="oid">
                          <dxl:Ident ColId="35" ColName="oid" TypeMdid="0.26.1.0"/>
                        </dxl:ProjElem>
                      </dxl:ProjList>
                      <dxl:Filter/>
                      <dxl:IndexCondList>
                        <dxl:Comparison ComparisonOperator="=" OperatorMdid="0.93.1.0">
                          <dxl:Ident ColId="31" ColName="nspname" TypeMdid="0.19.1.0"/>
                          <dxl:ConstValue TypeMdid="0.19.1.0" Value="dGlkeWNhdAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA&#xA;AAAAAAAAAAAAAAAAAAAAAAAAAA=="/>
                        </dxl:Comparison>
                      </dxl:IndexCondList>
                      <dxl:IndexDescriptor Mdid="0.2684.1.0" IndexName="pg_namespace_nspname_index"/>
                      <dxl:TableDescriptor Mdid="6.2615.1.1" TableName="pg_namespace">
                        <dxl:Columns>
                          <dxl:Column ColId="31" Attno="1" ColName="nspname" TypeMdid="0.19.1.0"/>
                          <dxl:Column ColId="34" Attno="-1" ColName="ctid" TypeMdid="0.27.1.0"/>
                          <dxl:Column ColId="35" Attno="-2" ColName="oid" TypeMdid="0.26.1.0"/>
                          <dxl:Column ColId="36" Attno="-3" ColName="xmin" TypeMdid="0.28.1.0"/>
                          <dxl:Column ColId="37" Attno="-4" ColName="cmin" TypeMdid="0.29.1.0"/>
                          <dxl:Column ColId="38" Attno="-5" ColName="xmax" TypeMdid="0.28.1.0"/>
                          <dxl:Column ColId="39" Attno="-6" ColName="cmax" TypeMdid="0.29.1.0"/>
                          <dxl:Column ColId="40" Attno="-7" ColName="tableoid" TypeMdid="0.26.1.0"/>
                          <dxl:Column ColId="41" Attno="-8" ColName="gp_segment_id" TypeMdid="0.23.1.0"/>
                        </dxl:Columns>
                      </dxl:TableDescriptor>
                    </dxl:IndexScan>
                    <dxl:WindowKeyList>
                      <dxl:WindowKey>
                        <dxl:SortingColumnList/>
                      </dxl:WindowKey>
                    </dxl:WindowKeyList>
                  </dxl:Window>
                </dxl:Result>
              </dxl:BroadcastMotion>
            </dxl:Assert>
          </dxl:HashJoin>
        </dxl:Sort>
      </dxl:GatherMotion>
    </dxl:Plan>
  </dxl:Thread>
</dxl:DXLMessage>
